| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 203 |
| 4 | 11977 |
| 5 | 154553 |
| 6 | 353423 |
| 7 | 3049963 |
| 8 | 4482037 |
| 9 | 5192537 |
| 10 | 7170569 |
| 11 | 9904979 |
| 12 | 20851957 |
| 13 | 33461911 |
| 14 | 35852033 |
| 15 | 69262991 |
| 16 | 88448927 |
| 17 | 160274303 |
| 18 | 264440183 |
| 19 | 306359683 |
| 20 | 381231473 |
| 21 | 423063571 |
| 22 | 978466699 |
| 23 | 1974252749 |
| 24 | 2115269947 |
| 25 | 4647954787 |
| 26 | 5218486693 |
| 27 | 6824905927 |
| 28 | 7803226417 |
| 29 | 9040206917 |
| 30 | 10041409007 |
| 31 | 11055712717 |
| 32 | 12483960629 |
| 33 | 17244568439 |
| 34 | 47773414171 |
| 35 | 57280493557 |
| 36 | 57729535241 |
| 37 | 58257187051 |
| 38 | 62418389453 |
| 39 | 67340133077 |
[1,7,203,11977,154553,353423,3049963,4482037, 5192537,7170569,9904979,20851957,33461911, 35852033,69262991,88448927,160274303,264440183, 306359683,381231473,423063571,978466699, 1974252749,2115269947,4647954787,5218486693, 6824905927,7803226417,9040206917,10041409007, 11055712717,12483960629,17244568439,47773414171, 57280493557,57729535241,58257187051,62418389453, 67340133077] |